variacs

• To: tesla
• Subject: variacs
• From: chip (Chip Atkinson)
• Date: Fri, 19 Jan 1996 09:16:32 +0700

Greetings,

I saw a gang of 3 phase variacs for a reasonable price ($15) at the local
electronics surplus/supply place.  However, the variacs are 400Hz instead
of 60Hz.  Does anyone know if they will work ok for 60Hz?  I thought the
main considerations with different frequencies for transformers are eddy
current losses.  If that is true, wouldn't a transformer for a higher
frequency work fine for a lower one?

Chip

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